| 5048237 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 270 TF target 265 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 2 / 280 |
Estimated T-Level: 20.0 ⓘ TF below 2^62 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1998-09-13 | Steve Nash | 93F356BD445AA3EB | 0 | Windows,Prime95,v16,(aka WS1) | | Factored | 2000-06-11 | chris clark | 93F356BD445AA3EB | 2743725 | Linux 32-bit,Prime95,v19,(aka WV2) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-11-22 | storm5510 | 09DD76D11B97C9B1 | 1 | 2169487 | 5 | 3 | | Verified | PRP without proof (not generated) | 2018-01-20 | kkmrkkblmbrbk | 09DD76D11B97C9B1 | 1 | 106871 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-18 | Sid & Andy | NF-PM1 | B1=6000000, B2=6348337380 | | 2025-01-10 | Sid & Andy | NF | no factor TF: 68-70 | | 2023-04-14 | Kevin_9611 | NF-PM1 | B1=330000, B2=178871550 | | 2018-01-20 | kkmrkkblmbrbk | C-PRP | M5048237/18857133783485107960631 : 09DD76D11B97C9B1 | | 2017-11-22 | storm5510 | C-PRP | M5048237/18857133783485107960631 : 09DD76D11B97C9B1 | | 2010-07-07 | sannerud.com | F-ECM | Factor: 18857133783485107960631 | | 2009-07-27 | USAFSS | NF-PM1 | B1=55000, B2=907500, E=6 | | 2006-01-15 | Joss | NF-PM1 | B1=10000 | | 2000-06-11 | -anonymous- | C-LL | 93F356BD445AA3EB | | 1998-09-13 | -anonymous- | C-LL | 93F356BD445AA3EB | | 1998-04-05 | ANONYMOUS | NF | no factor TF: 1-61 |
|
